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i830 requires 32bpp cursors to be aligned to 16KB, so we have to expose
the alignment parameter to i915_gem_attach_phys_object().
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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The i845 and i865 have a peculiarlity in that CURBASE is not the trigger
for the vsync update of the cursor registers but instead the
modification of that register is prohibited whilst the cursor is
enabled. Reorder the write sequence for CURPOS, CURCNTR and CURBASE on
i845 to i865 to match.
v2: Remove the checks for i845/i865 from within i9xx_cursor_update()
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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The FBC is dependent upon a few details of the framebuffer so it is
required to be updated within set_base(), so remove the redundant call
from mode_set().
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Add a new macro, wait_for, to simplify the act of waiting on a register
to change state. wait_for() takes three arguments, the condition to
inspect on every loop, the maximum amount of time to wait and whether to
yield the cpu for a length of time after each check.
v2: Upgrade failure messages to DRM_ERROR on the suggestion of
Eric Anholt. We do not expect to hit these conditions as they reflect
programming errors, so if we do we want to be notified.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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The cleanup path for early abort failed to nullify the gem_buffer. The
likely consequence of this is zero, since a failure here should mean
aborting the module load.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Previously, we only remembered to update the watermarks for i9xx, and
incorrectly assumed that the crtc->enabled flag was valid at that point
in the dpms cycle.
Note that on my x201s this makes a SR bug on pipe 1 much easier to hit.
(Since before this patch when disabling pipe 0, we either didn't update
the watermarks at all, or when we did we still thought we had two pipes
enabled and so disabled SR.)
References:
Bug 28969 - [Arrandale] Screen flickers, suspect Self-Refresh
https://bugs.freedesktop.org/show_bug.cgi?id=28969
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Within i915_opregion.c there are two blocks of semantically identical
ASLE response codes defined. Only one of those matches the ACPI IGD
OpRegion Specification 0.1, use those.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Matthew Garrett <mjg59@srcf.ucam.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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shmfs doesn't actually implement i_ops->truncate() so we were not
immedatiately releasing the backing pages when shrinking the gfx cache
under OOM. Instead use a combination of truncate_inode_pages() and
i_ops->truncate_range() as is used by shmem_delete_inode().
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Writing to the DSPBASE register triggers the double-buffered update to
all the control registers, so always write it last in the update
sequence.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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v2: Hook in DP paths to keep FULLSCREEN panel fitting on eDP.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Directly read the GTT mapping for the contents of the batch buffers
rather than relying on possibly stale CPU caches. Also for completeness
scan the flushing/inactive lists for the current buffers - we are
collecting error state after all.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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In order to reduce the penalty of fallbacks under memory pressure and to
avoid a potential immediate ping-pong of evicting a mmaped buffer, we
move the object to the tail of the inactive list when a page is freshly
faulted or the object is moved into the CPU domain.
We choose not to protect the CPU objects from casual eviction,
preferring to keep the GPU active for as long as possible.
v2: Daniel Vetter found a bug where I forgot that pinned objects are
kept off the inactive list.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Based in a large part upon Daniel Vetter's implementation and adapted
for handling multiple rings in a single pass.
This should lead to better gtt usage and fixes the page-fault-of-doom
triggered. The fairness is provided by scanning through the GTT space
amalgamating space in rendering order. As soon as we have a contiguous
space in the GTT large enough for the new object (and its alignment),
evict any object which lies within that space. This should keep more
objects resident in the GTT.
Doing throughput testing on a PineView machine with cairo-perf-trace
indicates that there is very little difference with the new LRU scan,
perhaps a small improvement... Except oddly for the poppler trace.
Reference:
Bug 15911 - Intermittent X crash (freeze)
https://bugzilla.kernel.org/show_bug.cgi?id=15911
Bug 20152 - cannot view JPG in firefox when running UXA
https://bugs.freedesktop.org/show_bug.cgi?id=20152
Bug 24369 - Hang when scrolling firefox page with window in front
https://bugs.freedesktop.org/show_bug.cgi?id=24369
Bug 28478 - Intermittent graphics lockups due to overflow/loop
https://bugs.freedesktop.org/show_bug.cgi?id=28478
v2: Attempt to clarify the logic and order of eviction through the use
of comments and macros.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
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The eviction code is the gnarly underbelly of memory management, and is
clearer if kept separated from the normal domain management in GEM.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This will be used by the eviction logic to maintain fairness between the
rings.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This does two little changes:
- Add an alignment parameter for evict_something. It's not really great to
whack a carefully sized hole into the gtt with the wrong alignment.
Especially since the fallback path is a full evict.
- With the inactive scan stuff we need to evict more that one object, so
move the unbind call into the helper function that scans for the object
to be evicted, too. And adjust its name.
No functional changes in this patch, just preparation.
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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In order to properly track bound objects, they need to exist on one of
the inactive/active lists or be pinned. As this is a requirement, do the
work inside i915_gem_bind_to_gtt() rather than dotted around the
callsites.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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v2: Add the interrupt status and address.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Using dev_priv__ avoids sparse complaining about shadowed variables in
the *LP_RING() macros.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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As the function has been reduced to a store plus increment, the body is
now smaller than the call so inline it.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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As we check that the ringbuffer will not wrap upon emission, we do not
need to check that incrementing the tail wrapped every time. However, we
do upon advancing just in case the tail is now pointing at the very end
of the ring.
Likewise we can account for the space used during emission in begin()
and avoid decrementing it for every emit.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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The tail is quadword aligned, so we can add two MI_NOOP as a time.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This debugging trace was useful for finding the fbcon regression on
i965, and it may prove useful again in future.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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The comments have long desired that we should switch off the cursor
along with the display plane, make it so.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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My i855GM suffers from a 80k/s interrupt storm without this.
So add 2nd gen to the list of things that don't like more than
one outstanding pageflip request.
Furthermore I've changed the busy loop into a ringbuffer wait.
Busy-loops that don't check whether the chip died are simply evil.
And performance should actually improve, because there's usually
a decent amount of rendering queued on the gpu, hopefully rendering
that MI_WAIT into a noop by the time it's executed.
The current code holds dev->struct_mutex while executing this loop,
hence stalling all other gem activity anyway.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@kernel.org
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[anholt: resolved against conflict]
Signed-off-by: Eric Anholt <eric@anholt.net>
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Add a new path for 2nd gen chips that uses the commands for i81x
chips (where public docs do exist) augmented with the plane bits
from i915. It seems to work and doesn't result in a black screen
like before.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@kernel.org
[anholt: resolved against conflict]
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Incorporates a similar patch by Daniel Vetter, the alteration being to
report the current busy state after retiring.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This avoids the excess flush and requests on idle rings (and spamming
the debug log ;-)
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This property is slightly unusual in that it is a boolean and so has no
GET_MAX command.
Reference:
Bug 28636 - missing TV parameter "Dot Crawl freeze"
https://bugs.freedesktop.org/show_bug.cgi?id=28636
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Reference:
Bug 28634 - missing TV parameter "Flicker Filter"
https://bugs.freedesktop.org/show_bug.cgi?id=28634
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Make the code that tiny bit clearer by reducing the pointer dance.
2 files changed, 130 insertions(+), 147 deletions(-)
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Subclass intel_encoder to reduce the pointer dance through
intel_encoder->dev_priv.
10 files changed, 896 insertions(+), 997 deletions(-)
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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As we already have appropriate debug and warnings when we activate and
deactivate the self-refresh FIFO, having a further INFO is just annoying.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
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* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
arch/tile: check kmalloc() result
arch/tile: catch up on various minor cleanups.
arch/tile: avoid erroneous error return for PTRACE_POKEUSR.
tile: set ARCH_KMALLOC_MINALIGN
tile: remove homegrown L1_CACHE_ALIGN macro
arch/tile: Miscellaneous cleanup changes.
arch/tile: Split the icache flush code off to a generic <arch> header.
arch/tile: Fix bug in support for atomic64_xx() ops.
arch/tile: Shrink the tile-opcode files considerably.
arch/tile: Add driver to enable access to the user dynamic network.
arch/tile: Enable more sophisticated IRQ model for 32-bit chips.
Move list types from <linux/list.h> to <linux/types.h>.
Add wait4() back to the set of <asm-generic/unistd.h> syscalls.
Revert adding some arch-specific signal syscalls to <linux/syscalls.h>.
arch/tile: Do not use GFP_KERNEL for dma_alloc_coherent(). Feedback from fujita.tomonori@lab.ntt.co.jp.
arch/tile: core support for Tilera 32-bit chips.
Fix up the "generic" unistd.h ABI to be more useful.
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* 'for-linus' of git://www.jni.nu/cris: (51 commits)
CRIS: Fix alignment problem for older ld
CRIS: Always dump registers for segfaulting process.
CRIS: Add config for pausing a seg-faulting process
CRIS: Don't take faults while in_atomic
CRIS: Fixup lookup for delay slot faults
CRIS: Discard exit.text and .data at runtime
CRIS: Add cache aligned and read mostly data sections
CRIS: Return something from profile write
CRIS: Add ARTPEC-3 and timestamps for sync-serial
CRIS: Better ARTPEC-3 support for gpio
CRIS: Add include guard
CRIS: Better handling of pinmux settings
CRIS: New DMA defines for ARTPEC-3
CRIS: __do_strncpy_from_user: Don't read the byte beyond the nil
CRIS: Pagetable for ARTPEC-3
CRIS: Machine dependent memmap.h
CRIS: Check if pointer is set before using it
CRIS: Machine dependent dma.h
CRIS: Define __read_mostly for CRISv32
CRIS: Discard .note.gnu.build-id section
...
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* 'for-linus' of git://android.kernel.org/kernel/tegra:
[ARM] tegra: add MAINTAINERS entry
[ARM] tegra: harmony: Add harmony board file
[ARM] tegra: add pinmux support
[ARM] tegra: add GPIO support
[ARM] tegra: Add timer support
[ARM] tegra: SMP support
[ARM] tegra: Add clock support
[ARM] tegra: Add IRQ support
[ARM] tegra: initial tegra support
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* 'for-linus' of git://github.com/schandinat/linux-2.6:
drivers/video/via/via-gpio.c: fix warning
viafb: Depends on X86
fbdev: section cleanup in viafb driver
viafb: fix accel_flags check_var bug
viafb: probe cleanups
viafb: remove ioctls which break the framebuffer interface
viafb: update fix before calculating depth
viafb: PLL value cleanup
viafb: simplify lcd size "detection"
viafb: fix PCI table
viafb: add lcd scaling support for some IGPs
viafb: improve lcd code readability
viafb: remove duplicated scaling code
MAINTAINERS: update viafb entry
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* 'for-linus' of git://gitorious.org/linux-omap-dss2/linux: (64 commits)
OMAP: DSS2: OMAPFB: add support for FBIO_WAITFORVSYNC
OMAP: DSS2: Replace strncmp() with sysfs_streq() in overlay_manager_store()
OMAP: DSS2: Fix error path in omap_dsi_update()
OMAP: DSS2: TDO35S: fix video signaling
OMAP: DSS2: OMAPFB: Fix invalid bpp for PAL and NTSC modes
OMAP: DSS2: OMAPFB: Fix probe error path
OMAP3EVM: Replace vdvi regulator supply with vdds_dsi
OMAP: DSS2: Remove extra return statement
OMAP: DSS2: adjust YUV overlay width to be even
OMAP: DSS2: OMAPFB: Fix sysfs mirror input check
OMAP: DSS2: OMAPFB: Remove redundant color register range check
OMAP: DSS2: OMAPFB: Remove redundant rotate range check
OMAP: DSS2: OMAPFB: Check fb2display() return value
OMAP: DSS2: Taal: Optimize enable_te, rotate, mirror when value unchanged
OMAP: DSS2: DSI: detect unsupported update requests
OMAP: DSS2: DSI: increase FIFO low threshold
OMAP: DSS2: DSI: Add error IRQ mask for DSI complexIO
OMAP: DSS2: DSI: Remove BTA after set_max_rx_packet_size
OMAP: DSS2: change manual update scaling setup
OMAP: DSS2: DSI: use BTA to end the frame transfer
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (143 commits)
omap: mailbox: reorganize headers
omap: mailbox: standarize on 'omap-mailbox'
omap: mailbox: only compile for configured archs
omap: mailbox: simplify omap_mbox_register()
omap: mailbox: reorganize registering
omap: mailbox: add IRQ names
omap: mailbox: remove unecessary fields
omap: mailbox: don't export unecessary symbols
omap: mailbox: update omap1 probing
omap: mailbox: use correct config for omap1
omap: mailbox: 2420 should be detected at run-time
omap: mailbox: reorganize structures
omap: mailbox: trivial cleanups
omap mailbox: Set a device in logical mbox instance for traceability
omap: mailbox: convert block api to kfifo
omap: mailbox: remove (un)likely macros from cold paths
omap: mailbox cleanup: split MODULE_AUTHOR line
omap: mailbox: convert rwlocks to spinlock
Mailbox: disable mailbox interrupt when request queue
Mailbox: new mutext lock for h/w mailbox configuration
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci
* 'davinci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci:
davinci: dm646x EVM: Specify reserved EDMA channel/slots
davinci: da8xx/omapl EVM: Specify reserved channels/slots
davinci: support for EDMA resource sharing
davinci: edma: provide ability to detect insufficient CC info data
davinci: da8xx: sparse cleanup: remove duplicate entries in irq priorities
davinci: DM365: fixed second serial port
Davinci: tnetv107x evm board initial support
Davinci: tnetv107x initial gpio support
Davinci: tnetv107x soc support
Davinci: tnetv107x decompresser uart definitions
Davinci: generalized debug macros
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: (82 commits)
firewire: core: add forgotten dummy driver methods, remove unused ones
firewire: add isochronous multichannel reception
firewire: core: small clarifications in core-cdev
firewire: core: remove unused code
firewire: ohci: release channel in error path
firewire: ohci: use memory barriers to order descriptor updates
tools/firewire: nosy-dump: increment program version
tools/firewire: nosy-dump: remove unused code
tools/firewire: nosy-dump: use linux/firewire-constants.h
tools/firewire: nosy-dump: break up a deeply nested function
tools/firewire: nosy-dump: make some symbols static or const
tools/firewire: nosy-dump: change to kernel coding style
tools/firewire: nosy-dump: work around segfault in decode_fcp
tools/firewire: nosy-dump: fix it on x86-64
tools/firewire: add userspace front-end of nosy
firewire: nosy: note ioctls in ioctl-number.txt
firewire: nosy: use generic printk macros
firewire: nosy: endianess fixes and annotations
firewire: nosy: annotate __user pointers and __iomem pointers
firewire: nosy: fix device shutdown with active client
...
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (27 commits)
ACPI / ACPICA: Simplify acpi_ev_initialize_gpe_block()
ACPI / ACPICA: Fail acpi_gpe_wakeup() if ACPI_GPE_CAN_WAKE is unset
ACPI / ACPICA: Do not execute _PRW methods during initialization
ACPI: Fix bogus GPE test in acpi_bus_set_run_wake_flags()
ACPICA: Update version to 20100702
ACPICA: Fix for Alias references within Package objects
ACPICA: Fix lint warning for 64-bit constant
ACPICA: Remove obsolete GPE function
ACPICA: Update debug output components
ACPICA: Add support for WDDT - Watchdog Descriptor Table
ACPICA: Drop acpi_set_gpe
ACPICA: Use low-level GPE enable during GPE block initialization
ACPI / EC: Do not use acpi_set_gpe
ACPI / EC: Drop suspend and resume routines
ACPICA: Remove wakeup GPE reference counting which is not used
ACPICA: Introduce acpi_gpe_wakeup()
ACPICA: Rename acpi_hw_gpe_register_bit
ACPICA: Update version to 20100528
ACPICA: Add signatures for undefined tables: ATKG, GSCI, IEIT
ACPICA: Optimization: Reduce the number of namespace walks
...
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